Home / 588,327.26-811,446.79-407,342.14

Finding the Fourth Proportional to 588,327.26, 811,446.79 and 407,342.14

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Solution

The fourth proportional to 588,327.26, 811,446.79 and 407,342.14 is: 561,824.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,327.26 : 811,446.79 = 407,342.14 : x
  2. Step 2: Convert to fraction form
    588,327.26/811,446.79 = 407,342.14/x
  3. Step 3: Cross multiply
    588,327.26x = 811,446.79 × 407,342.14
  4. Step 4: Simplify right side
    588,327.26x = 330,536,471,934.73
  5. Step 5: Solve for x
    x = 330,536,471,934.73/588,327.26
  6. Step 6: Final answer
    x = 561,824.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.